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Finding the Fourth Proportional to 241,330.40, 361,993.80 and 72,850.40

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Solution

The fourth proportional to 241,330.40, 361,993.80 and 72,850.40 is: 109,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,330.40 : 361,993.80 = 72,850.40 : x
  2. Step 2: Convert to fraction form
    241,330.40/361,993.80 = 72,850.40/x
  3. Step 3: Cross multiply
    241,330.40x = 361,993.80 × 72,850.40
  4. Step 4: Simplify right side
    241,330.40x = 26,371,393,127.52
  5. Step 5: Solve for x
    x = 26,371,393,127.52/241,330.40
  6. Step 6: Final answer
    x = 109,275.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.